diff --git a/packages/um/package.py b/packages/um/package.py
index 571f5c7..47a7d18 100644
--- a/packages/um/package.py
+++ b/packages/um/package.py
@@ -71,7 +71,7 @@ def _get_linker_args(self, spec, fcm_libname):
         ld_flags = [
             spec[dep_name].libs.ld_flags,
             self._lib_cfg[fcm_libname]["fcm_ld_flags"]]
-        #The reason for the explicit -rpath is:
+        # The reason for the explicit -rpath is:
         # https://github.com/ACCESS-NRI/spack_packages/issues/14#issuecomment-1653651447
         rpaths = ["-Wl,-rpath=" + d for d in spec[dep_name].libs.directories]